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C25

80PK-26

80PK-25

FVF-SC1

TPAK

50 Series II Thermometers

Laboratory accuracy. Wherever you go.

Additional features for the 53 and 
54 Series II:

• 

Data Logging up to 500 points of data
with user adjustable recording interval

• 

Real time clock captures the exact time of
day when events occur

• 

Recall function allows logged data to be
easily reviewed on the meter display

• 

IR communication port allows data to be
exported to optional FlukeView

®

Temperature PC software

Features

Specifications

Recommended Accessories

Battery life:

1000 hours typical, AA

Size (HxWxD):

173 x 86 x 38 mm

Weight:

0.4 kg

Three Year Warranty

11080-eng   Rev. 01

Included Accessories

Impact absorbing holster
Two bead probe thermocouples 80PK-1
(54+52)
One bead probe thermocouple 80PK-1
(51+53)

Ordering Information

Fluke 51 II

Thermometer

Fluke 52 II

Thermometer

Fluke 53 II

Thermometer

Fluke 54 II

Thermometer

FVF-SC1

FlukeView Forms
Software including
interface cable

51 II

52 II

53 II

54 II

Thermocouple types

J,K,T,E

J,K,T,E

J,K,T,E,N,R,S

J,K,T,E,N,R,S

Number of inputs

Single

Dual

Single

Dual

Time stamp

Relative Time

Relative Time

Time of Day

Time of Day

Splash/Dust resistant

Dual display with backlight

Min/Max/Avg recording

(T

1

-T

2

) True differential

Data logging up to 500 points

IR data port for interface 
to PC

Compatible with optional 
FlukeView Software

Temperature range:

J-type

Thermocouples

-210°C to 1200°C

(-346°F to 2192°F)

K-type

Thermocouples

-200°C to 1372°C

(-328°F to 2501°F)

T-type

Thermocouples

-250°C to 400°C 

(-418°F to 752°F)

E-type

Thermocouples

-150°C to 1000°C

(-238°F to 1832°F)

N-type** Thermocouples

-200°C to 1300°C

(-328°F to 2372°F)

R** and S-type** Thermocouples

0°C to 1767°C

(32°F to 3212°F)

Temperature accuracy

Above –100°C (-148°F):

J, K, T, E, and N-type**

± [ 0.05% + 0.3°C (0.5°F) ]

R** and S-type**

± [ 0.05% + 0.4°C (0.7°F) ]

Below –100°C (-148°F):

J, K, E, and N-types

± [ 0.20% + 0.3°C (0.5°F) ]

T-type

± [ 0.50% + 0.3°C (0.5°F) ]

**Only the Fluke Models 53 and 54 Series II thermometers are capable of measuring N, R, and S-type thermocouples.

The Fluke 50 Series II contact
thermometers offer fast response and
laboratory accuracy (0.05% + 0.3°C) in 
a rugged handheld test tool.

• 

Large backlit dual display shows any
combination of T

1

, T

2

(52 and 54 only),

T

1

-T

2

(52 and 54 only) plus MIN, MAX, 

or AVG

• 

Relative time clock on MIN, MAX, and
AVG provides a time reference for major
events

• 

Electronic Offset function allows
compensation of thermocouple errors to
maximize overall accuracy

• 

Readout in °C, °F, or Kelvin (K)

• 

Sleep mode increases battery life

• 

Battery door allows easy battery
replacement without breaking the
calibration seal

Fluke 51 II

Fluke 52 II

Fluke 53 II

Fluke 54 II

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